38D5 datasheet(91/141 Pages) RENESAS

91 / 141 page

Rev.3.01

Aug 08, 2007

Page 91 of 134

REJ03B0158-0301

38D5 Group

Fig 84. Operating waveform for standard serial I/O mode 1

Fig 85. Operating waveform for standard serial I/O mode 2

Power source

RESET

CNVSS

P41(TXD)

P42(SCLK)

P43(BUSY)

P40(RXD)

td(CNVSS-RESET)

td(P41-RESET)

Notes: In the standard serial I/O mode 1, input “H” to the P42 pin.

Be sure to set the CNVss pin to “H” before rising RESET.

Be sure to set the P41 pin to “H” before rising RESET.

td(CNVSS-RESET)

td(P41-RESET)

Symbol

Min.

Max.

Typ.

Unit

Limits

Flash memory version

Power source

RESET

CNVSS

P41(TXD)

P43(BUSY)

P40(RXD)

P42(SCLK)

td(CNVSS-RESET)

td(P41-RESET)

td(CNVSS-RESET)

td(P41-RESET)

Symbol

Min.

Max.

Typ.

Unit

Limits

Notes: In the standard serial I/O mode 2, input “H” to the P42 pin.

Be sure to set the CNVss pin to “H” before rising RESET.

Be sure to set the P41 pin to “H” before rising RESET.

Flash memory version

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